2020-10-29T09:49:51,591 Created temporary directory: /tmp/pip-ephem-wheel-cache-ocsx8jye
2020-10-29T09:49:51,594 Created temporary directory: /tmp/pip-req-tracker-_4p_eng6
2020-10-29T09:49:51,595 Initialized build tracking at /tmp/pip-req-tracker-_4p_eng6
2020-10-29T09:49:51,595 Created build tracker: /tmp/pip-req-tracker-_4p_eng6
2020-10-29T09:49:51,595 Entered build tracker: /tmp/pip-req-tracker-_4p_eng6
2020-10-29T09:49:51,596 Created temporary directory: /tmp/pip-wheel-975qs63d
2020-10-29T09:49:51,607 1 location(s) to search for versions of python-prctl:
2020-10-29T09:49:51,607 * https://pypi.org/simple/python-prctl/
2020-10-29T09:49:51,607 Fetching project page and analyzing links: https://pypi.org/simple/python-prctl/
2020-10-29T09:49:51,608 Getting page https://pypi.org/simple/python-prctl/
2020-10-29T09:49:51,609 Found index url https://pypi.org/simple
2020-10-29T09:49:51,697   Found link https://files.pythonhosted.org/packages/e5/4b/3b22c7066e9ba49d0d22677b81d64e7a145b30637ab56976ac7c26301c38/python-prctl-1.5.0.tar.gz#sha256=57335a54a7d657c1407448305a56a13cead840802c743fcd915bc382f9ce4fff (from https://pypi.org/simple/python-prctl/), version: 1.5.0
2020-10-29T09:49:51,697   Found link https://files.pythonhosted.org/packages/09/73/4874f8a927657378d7a20cbdf21692ee08fd641e97e7e401c3a0dca8f2f8/python-prctl-1.6.0.tar.gz#sha256=c7d4a290c0f2ec30b65051864c230063cd806d5d95239dd60b721109d1b9dc75 (from https://pypi.org/simple/python-prctl/), version: 1.6.0
2020-10-29T09:49:51,698   Found link https://files.pythonhosted.org/packages/2c/a6/a866caf122908583f5f5e27217ca7f956c616e48e35cdb2a4a60ab4c7ad8/python-prctl-1.6.1.tar.gz#sha256=c421350bfe64cb8dd05d7a5b657317e2e45daad573e6e2f0af3e7ca459768d9e (from https://pypi.org/simple/python-prctl/), version: 1.6.1
2020-10-29T09:49:51,698   Found link https://files.pythonhosted.org/packages/7a/90/61935e2530a76f41e9e4f8ba0fe073d4ad0a3e16c4953156253f939fb057/python-prctl-1.7.tar.gz#sha256=57ebd556616d6ffe1f794f514680e84a03737cb070de37722198d7ad6c8f4fda (from https://pypi.org/simple/python-prctl/), version: 1.7
2020-10-29T09:49:51,698   Found link https://files.pythonhosted.org/packages/0c/09/a03aa84131f7f699fc5e71ef8f9004adfe12d231d7b3e41e6864948fcc32/python-prctl-1.8.tar.gz#sha256=e73f74da9c104b69a690141fe41e67339297da91932460c00a78e8536b2caa61 (from https://pypi.org/simple/python-prctl/), version: 1.8
2020-10-29T09:49:51,703 Given no hashes to check 1 links for project 'python-prctl': discarding no candidates
2020-10-29T09:49:51,704 Using version 1.8 (newest of versions: 1.8)
2020-10-29T09:49:51,708 Collecting python-prctl==1.8
2020-10-29T09:49:51,710   Created temporary directory: /tmp/pip-unpack-_fvjrxhs
2020-10-29T09:49:51,749   Downloading python-prctl-1.8.tar.gz (27 kB)
2020-10-29T09:49:51,802   Added python-prctl==1.8 from https://files.pythonhosted.org/packages/0c/09/a03aa84131f7f699fc5e71ef8f9004adfe12d231d7b3e41e6864948fcc32/python-prctl-1.8.tar.gz#sha256=e73f74da9c104b69a690141fe41e67339297da91932460c00a78e8536b2caa61 to build tracker '/tmp/pip-req-tracker-_4p_eng6'
2020-10-29T09:49:51,804     Running setup.py (path:/tmp/pip-wheel-975qs63d/python-prctl/setup.py) egg_info for package python-prctl
2020-10-29T09:49:51,805     Created temporary directory: /tmp/pip-pip-egg-info-8oth_d11
2020-10-29T09:49:51,805     Running command python setup.py egg_info
2020-10-29T09:49:52,842     You need to install libcap development headers to build this module
2020-10-29T09:49:52,894 ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
2020-10-29T09:49:52,894 Exception information:
2020-10-29T09:49:52,894 Traceback (most recent call last):
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 228, in _main
2020-10-29T09:49:52,894     status = self.run(options, args)
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 182, in wrapper
2020-10-29T09:49:52,894     return func(self, options, args)
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 156, in run
2020-10-29T09:49:52,894     reqs, check_supported_wheels=True
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 183, in resolve
2020-10-29T09:49:52,894     discovered_reqs.extend(self._resolve_one(requirement_set, req))
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 388, in _resolve_one
2020-10-29T09:49:52,894     abstract_dist = self._get_abstract_dist_for(req_to_install)
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/legacy/resolver.py", line 340, in _get_abstract_dist_for
2020-10-29T09:49:52,894     abstract_dist = self.preparer.prepare_linked_requirement(req)
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 483, in prepare_linked_requirement
2020-10-29T09:49:52,894     req, self.req_tracker, self.finder, self.build_isolation,
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 91, in _get_prepared_distribution
2020-10-29T09:49:52,894     abstract_dist.prepare_distribution_metadata(finder, build_isolation)
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/distributions/sdist.py", line 40, in prepare_distribution_metadata
2020-10-29T09:49:52,894     self.req.prepare_metadata()
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 555, in prepare_metadata
2020-10-29T09:49:52,894     self.metadata_directory = self._generate_metadata()
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 535, in _generate_metadata
2020-10-29T09:49:52,894     details=self.name or "from {}".format(self.link)
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 73, in generate_metadata
2020-10-29T09:49:52,894     command_desc='python setup.py egg_info',
2020-10-29T09:49:52,894   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/subprocess.py", line 242, in call_subprocess
2020-10-29T09:49:52,894     raise InstallationError(exc_msg)
2020-10-29T09:49:52,894 pip._internal.exceptions.InstallationError: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
2020-10-29T09:49:52,902 Removed python-prctl==1.8 from https://files.pythonhosted.org/packages/0c/09/a03aa84131f7f699fc5e71ef8f9004adfe12d231d7b3e41e6864948fcc32/python-prctl-1.8.tar.gz#sha256=e73f74da9c104b69a690141fe41e67339297da91932460c00a78e8536b2caa61 from build tracker '/tmp/pip-req-tracker-_4p_eng6'
2020-10-29T09:49:52,902 Removed build tracker: '/tmp/pip-req-tracker-_4p_eng6'